10021634 has 16 divisors (see below), whose sum is σ = 17242368. Its totient is φ = 4279392.

The previous prime is 10021633. The next prime is 10021637. The reversal of 10021634 is 43612001.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10021633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3239 + ... + 5525.

It is an arithmetic number, because the mean of its divisors is an integer number (1077648).

Almost surely, 2^10021634 is an apocalyptic number.

10021634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

10021634 is a deficient number, since it is larger than the sum of its proper divisors (7220734).

10021634 is a wasteful number, since it uses less digits than its factorization.

10021634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2609.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 10021634 is about 3165.6964478610. The cubic root of 10021634 is about 215.5987205668.

Adding to 10021634 its reverse (43612001), we get a palindrome (53633635).

The spelling of 10021634 in words is "ten million, twenty-one thousand, six hundred thirty-four".